A Beam of Electrons Is Sent in the Positive X-Direction

question 76

Multiple Choice

A beam of electrons is sent in the positive x-direction in a region with a uniform magnetic field B in the positive y-direction and a uniform electric field E in the positive z-direction.At which of the following speeds would the electrons be deflected in the positive z-direction?

• A)v < E/B
• B)v = E/B
• C)v > E/B
• D)There is no speed for which this will happen.

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Definitions:

Fundamental Analysis

A systematic process in which a security is valued by estimating the performance of the underlying company and the future cash flows associated with owning the security. These are discounted to arrive at an intrinsic value for the security.

Future Cash Flows

Projected cash transactions that are expected to occur as part of future operations of a business.

Fundamental Analysis

An investment analysis approach that evaluates a security's intrinsic value by examining related economic and financial factors.

Intrinsic Value

The actual value of a company or an asset based on underlying perceptions of its true value including all aspects of the business.